Monsters should not drop items inside dungeons

src/main/java/emu/grasscutter/game/world/Scene.java

@@ -375,8 +375,8 @@ public class Scene {
 		this.broadcastPacket(new PacketLifeStateChangeNotify(attackerId, target, LifeState.LIFE_DEAD));
 
 		// Reward drop
-		if (target instanceof EntityMonster) {
-			Grasscutter.getGameServer().getDropManager().callDrop((EntityMonster) target);
+		if (target instanceof EntityMonster && this.getSceneType() != SceneType.SCENE_WORLD) {
+			getWorld().getServer().getDropManager().callDrop((EntityMonster) target);
 		}
 
 		this.removeEntity(target);

src/main/java/emu/grasscutter/game/world/World.java

@@ -27,6 +27,7 @@ import emu.grasscutter.net.proto.AttackResultOuterClass.AttackResult;
 import emu.grasscutter.net.proto.EnterTypeOuterClass.EnterType;
 import emu.grasscutter.net.proto.VisionTypeOuterClass.VisionType;
 import emu.grasscutter.scripts.data.SceneConfig;
+import emu.grasscutter.server.game.GameServer;
 import emu.grasscutter.server.packet.send.PacketDelTeamEntityNotify;
 import emu.grasscutter.server.packet.send.PacketEntityFightPropUpdateNotify;
 import emu.grasscutter.server.packet.send.PacketLifeStateChangeNotify;
@@ -44,6 +45,7 @@ import it.unimi.dsi.fastutil.ints.Int2ObjectMaps;
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 
 public class World implements Iterable<Player> {
+	private final GameServer server;
 	private final Player owner;
 	private final List<Player> players;
 	private final Int2ObjectMap<Scene> scenes;
@@ -61,6 +63,7 @@ public class World implements Iterable<Player> {
 	
 	public World(Player player, boolean isMultiplayer) {
 		this.owner = player;
+		this.server = player.getServer();
 		this.players = Collections.synchronizedList(new ArrayList<>());
 		this.scenes = Int2ObjectMaps.synchronize(new Int2ObjectOpenHashMap<>());
 		
@@ -75,6 +78,10 @@ public class World implements Iterable<Player> {
 		return owner;
 	}
 
+	public GameServer getServer() {
+		return server;
+	}
+
 	public int getLevelEntityId() {
 		return levelEntityId;
 	}